Thread cleaner



FIG. 1 is a front elevational view of a thread cleaner showing my newdesign;

FIG. 2 is a top plan view thereof.

FIG. 3 is a left side elevational view thereof.

FIG. 4 is a front elevational view thereof.

FIG. 5 is a rear elevational view thereof.

FIG. 6 is a bottom view thereof.

The appearance of the right side is a mirror image of that of the leftside shown in FIG. 3.

The broken line disclosure in FIG. 1 is for illustrative purposes onlyand forms no part of the claimed design.

The ornamental design for a thread cleaner, as shown and described.